I have solved, the problem was the connection from pins to arduino, the guide configuration didn't work for unknown reason, i have tryed to use connection specified in the "helloworld" sketch and worked.
Ty all for your help!
I have solved, the problem was the connection from pins to arduino, the guide configuration didn't work for unknown reason, i have tryed to use connection specified in the "helloworld" sketch and worked.
Ty all for your help!